Katwijk

upright=1.35|thumb|Dutch Topographic map of Katwijk (urban area), March 2014 upright=1.35|thumb|Coastal boulevard in Katwijk Katwijk () is a coastal municipality and town in the province of South Holland, which is situated in the mid-western part of the Netherlands. Katwijk is located on the North Sea, northwest of Leiden and 16 km north of The Hague. The Oude Rijn ("Old Rhine") river flows through the town and into the North Sea.

Rijnsburg () is a village in the eastern part of the municipality of Katwijk, in the western Netherlands, in the province of South Holland. It lies on the Oude Rijn, from which it takes its name.

village in Katwijk (South Holland), the Netherlands

dorp in Zuid-Holland, the Netherlands

human settlement in the Netherlands

Dutch Navy airfield

Dutch florist conglomerate

right|thumb|Brittenburg, according to Ortelius right|thumb| Roman road visible from the highway near Valkenburg, South Holland Brittenburg was a Roman ruin site west of Leiden between Katwijk aan Zee and Noordwijk aan Zee, presumably identical to the even older Celtic Lugdunum fortress. The site is first mentioned in 1401, was uncovered more completely by storm erosion in 1520, 1552 and 1562, and has subsequently been entirely eroded away. When built, it was located at the mouth of the Oude Rijn (old river Rhine), which has since moved. The site was about west of the European Space Research an

Heritage railway in the Netherlands

protestant church in Katwijk, Netherlands

lighthouse in the Netherlands